package old;

/**
 * Created by IntelliJ IDEA.
 * User: zm
 * Date: 2023/4/9
 */
public class Bottom {
    private Tire tire;

    public Bottom(){
        tire = new Tire();
    }
    public void init(){
        System.out.println("执行了tire执行方法");
        //依赖轮胎
        tire.init();
    }
}
